using System;
using Payroll.BO;
using System.Data;
using System.Linq;
using Ease.CoreV35.Model;
using System.Data.SqlClient;
using Ease.CoreV35.DataAccess;
using System.Collections.Generic;
using Ease.CoreV35.DataAccess.SQL;


namespace Payroll.Service
{
    #region class EducationLevelDA
    internal class EducationLevelDA
    {
        
         #region constructor
        public EducationLevelDA()
        { }
        #endregion

         #region  Insert function

        internal static void Insert(TransactionContext tc, EducationLevel item)
        {
            tc.ExecuteNonQuery("INSERT INTO EDUCATIONLEVEL(EDUCATIONLEVELID, CODE, DESCRIPTION, EDUCATIONTYPEID, SEQUENCENO, STATUS, CREATEDBY, CREATIONDATE)" +
                    " VALUES(%n, %s, %s, %n, %n, %n, %n, %d)", item.ID.Integer, item.Code, item.Description, item.EducationTypeID.Integer, item.Sequence, item.Status, item.CreatedBy.Integer, item.CreatedDate);
        }

        #endregion

         #region  Update function

        internal static void Update(TransactionContext tc, EducationLevel item)
        {
            tc.ExecuteNonQuery("UPDATE EDUCATIONLEVEL SET code=%s, description=%s, educationtypeid=%n, sequencenO=%n, status=%n, modifiedby=%n, modifieddate=%d" +
            " WHERE EDUCATIONLEVELID=%n", item.Code, item.Description, item.EducationTypeID.Integer, item.Sequence, item.Status, item.ModifiedBy.Integer, item.ModifiedDate, item.ID.Integer);
        }

        #endregion

         #region Get function

        internal static IDataReader Get(TransactionContext tc)
        {
            return tc.ExecuteReader("SELECT * FROM EDUCATIONLEVEL");
        }

        internal static IDataReader Get(TransactionContext tc, EnumStatus status)
        {
            if (status == EnumStatus.Regardless)
            {
                return tc.ExecuteReader("SELECT * FROM EDUCATIONLEVEL Order By SequenceNo");
            }
            else
            {
                return tc.ExecuteReader("SELECT * FROM EDUCATIONLEVEL Where Status=%n Order By SequenceNo", status);
            }
        }

        internal static IDataReader Get(TransactionContext tc, ID nID)
        {
            return tc.ExecuteReader("SELECT * FROM EDUCATIONLEVEL WHERE EDUCATIONLEVELID=%n", nID.Integer);
        }

        internal static IDataReader Get(TransactionContext tc, string sCode)
        {
            return tc.ExecuteReader("SELECT * FROM EDUCATIONLEVEL WHERE Code=%s", sCode);
        }

        internal static IDataReader GetByType(TransactionContext tc, int typeID)
        {
            return tc.ExecuteReader("SELECT * FROM EducationLevel where EducationTypeID=%n ORDER BY SEQUENCENO", typeID);
        }

        internal static IDataReader GetByLevelID(TransactionContext tc, ID nLevelID)
        {
            return tc.ExecuteReader("SELECT * FROM EducationLevel where EducationLevelID=%n", nLevelID.Integer);
        }
        #endregion

         #region  Delete function
        internal static void Delete(TransactionContext tc, ID nID)
        {
            tc.ExecuteNonQuery("DELETE FROM [EDUCATIONLEVEL] WHERE EDUCATIONLEVELID=%n", nID.Integer);
        }
        #endregion       
    
        internal static DataSet GetManpower(TransactionContext tc, string sparam)
        {
            DataSet rootDataset = new DataSet();
            DataSet tempdataset = new DataSet();
            try
            {
                string query = SQLParser.MakeSQL(@"SELECT d.[DESCRIPTION] Department, edu.[DESCRIPTION] qualification,COUNT(e.EMPLOYEEID) HeadCount
                                                FROM EMPLOYEE e,EMPACADEMIC a,EDUCATIONLEVEL edu,department d
                                                WHERE e.EMPLOYEEID=a.EMPLOYEEID
                                                AND a.EDUCATIONLEVELID=edu.EDUCATIONLEVELID
                                                AND e.DEPARTMENTID=d.DEPARTMENTID
                                                %q
                                                GROUP BY d.[DESCRIPTION],edu.[DESCRIPTION]
                                                ORDER BY d.[DESCRIPTION],edu.[DESCRIPTION] ",
                                                sparam);

                tempdataset = tc.ExecuteDataSet(query);

                tempdataset.Tables[0].TableName = "Manpower";
                rootDataset.Tables.Add(tempdataset.Tables[0].Copy());
            }
            catch (Exception ex)
            {
                throw new Exception(ex.Message);
            }
            return rootDataset;
        }
    }
    #endregion
}